Finding the Fourth Proportional to 1,886,136.10, 2,602,825.05 and 1,026,693.70
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Solution
The fourth proportional to 1,886,136.10, 2,602,825.05 and 1,026,693.70 is: 1,416,814.03
Step by Step Solution
- Step 1: Write the proportion equation
1,886,136.10 : 2,602,825.05 = 1,026,693.70 : x - Step 2: Convert to fraction form
1,886,136.10/2,602,825.05 = 1,026,693.70/x - Step 3: Cross multiply
1,886,136.10x = 2,602,825.05 × 1,026,693.70 - Step 4: Simplify right side
1,886,136.10x = 2,672,304,081,037.18 - Step 5: Solve for x
x = 2,672,304,081,037.18/1,886,136.10 - Step 6: Final answer
x = 1,416,814.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.